1087615802617 has 4 divisors (see below), whose sum is σ = 1095918213456. Its totient is φ = 1079313391780.

The previous prime is 1087615802531. The next prime is 1087615802629. The reversal of 1087615802617 is 7162085167801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1087615802617 - 2⁷ = 1087615802489 is a prime.

It is a super-2 number, since 2×1087615802617² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087615802657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4151205223 + ... + 4151205484.

It is an arithmetic number, because the mean of its divisors is an integer number (273979553364).

Almost surely, 2^{1087615802617} is an apocalyptic number.

It is an amenable number.

1087615802617 is a deficient number, since it is larger than the sum of its proper divisors (8302410839).

1087615802617 is an equidigital number, since it uses as much as digits as its factorization.

1087615802617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302410838.

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 1087615802617 in words is "one trillion, eighty-seven billion, six hundred fifteen million, eight hundred two thousand, six hundred seventeen".